diff options
Diffstat (limited to 'bl1/bl1_main.c')
| -rw-r--r-- | bl1/bl1_main.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/bl1/bl1_main.c b/bl1/bl1_main.c index 54da735e..84d56110 100644 --- a/bl1/bl1_main.c +++ b/bl1/bl1_main.c @@ -32,11 +32,19 @@ #include <arch_helpers.h> #include <assert.h> #include <auth_mod.h> +#include <bl1.h> #include <bl_common.h> #include <debug.h> #include <platform.h> #include <platform_def.h> +#include <smcc_helpers.h> #include "bl1_private.h" +#include <uuid.h> + +/* BL1 Service UUID */ +DEFINE_SVC_UUID(bl1_svc_uid, + 0xfd3967d4, 0x72cb, 0x4d9a, 0xb5, 0x75, + 0x67, 0x15, 0xd6, 0xf4, 0xbb, 0x4a); static void bl1_load_bl2(void); @@ -131,8 +139,14 @@ void bl1_main(void) /* Get the image id of next image to load and run. */ image_id = bl1_plat_get_next_image_id(); + /* + * We currently interpret any image id other than + * BL2_IMAGE_ID as the start of firmware update. + */ if (image_id == BL2_IMAGE_ID) bl1_load_bl2(); + else + NOTICE("BL1-FWU: *******FWU Process Started*******\n"); bl1_prepare_next_image(image_id); } @@ -213,3 +227,45 @@ void print_debug_loop_message(void) NOTICE("BL1: Please connect the debugger to continue\n"); } #endif + +/******************************************************************************* + * Top level handler for servicing BL1 SMCs. + ******************************************************************************/ +register_t bl1_smc_handler(unsigned int smc_fid, + register_t x1, + register_t x2, + register_t x3, + register_t x4, + void *cookie, + void *handle, + unsigned int flags) +{ + +#if TRUSTED_BOARD_BOOT + /* + * Dispatch FWU calls to FWU SMC handler and return its return + * value + */ + if (is_fwu_fid(smc_fid)) { + return bl1_fwu_smc_handler(smc_fid, x1, x2, x3, x4, cookie, + handle, flags); + } +#endif + + switch (smc_fid) { + case BL1_SMC_CALL_COUNT: + SMC_RET1(handle, BL1_NUM_SMC_CALLS); + + case BL1_SMC_UID: + SMC_UUID_RET(handle, bl1_svc_uid); + + case BL1_SMC_VERSION: + SMC_RET1(handle, BL1_SMC_MAJOR_VER | BL1_SMC_MINOR_VER); + + default: + break; + } + + WARN("Unimplemented BL1 SMC Call: 0x%x \n", smc_fid); + SMC_RET1(handle, SMC_UNK); +} |